ROCKBROS is an original brand founded by cycling enthusiasts. The goal of ROCKBROS is to offer high - quality products at an affordable price to every customer who loves cycling and outdoor sports. For any problems within 2 years, we will provide you with the best possible solution. ROCKBROS Rear Bicycle Bag, 100% Waterproof Luggage Carrier Bag, Bicycle Transport Bag with Mesh Pocket, 27L Specifications: Brand: ROCKBROS Model: AS - 002 Colors: Black / Yellow / Green Camouflage Size: Long (Above): 13.38" Long (Below): 8.26" Wide: 7.08" High: 18.11" Capacity: 27L per piece Weight: Approximately 900g Material: 840D and 420D Nylon + TPU Attachment Location: Luggage Carrier Large Capacity Due to its large capacity, it is the ideal companion for both long and short bike tours. In daily life, it can easily hold all your groceries or provide sufficient space for your sports clothing. Waterproof & Easy to Clean This bicycle bag is made of 840D - nylon material and wrapped with a TPU membrane, which is waterproof, durable, and tear - resistant. Surface mud and water can be easily removed. More Safety Two hard plastic plates prevent the luggage carrier bag from getting into the wheels. And they protect the bicycle bag from wear. Not Easy to Get Dirty Two circular cushions to reduce friction. Waterproof and easy to clean